SpringBoot集成P6Spy实现SQL日志的记录详解

目录

• P6Spy简介
• 应用场景
• pom
• application.yml
• entity
• Mapper
• 启动类
• 测试类
• P6Spy入门使用
• spy.properties
• P6SPYConfig
• application.yml

P6Spy简介

P6Spy是一个可以用来在应用程序中拦截和修改数据操作语句的开源框架。

通过P6Spy可以对SQL语句进行拦截，相当于一个SQL语句的记录器，这样我们可以用它来作相关的分析，比如性能分析。

应用场景

pom

        
            org.springframework.boot
            spring-boot-starter
        
        
            org.springframework.boot
            spring-boot-starter-test
            test
        
        
            com.alibaba
            druid-spring-boot-starter
            1.1.20
        
        
            mysql
            mysql-connector-java
        
        
            com.baomidou
            mybatis-plus-boot-starter
            3.1.1
        
        
            org.projectlombok
            lombok
        
        
            p6spy
            p6spy
            3.8.2
        
        
            com.alibaba
            fastjson
            1.2.83
        
    

application.yml

spring:
  datasource:
    driver-class-name: com.mysql.cj.jdbc.Driver
    #driver-class-name: com.p6spy.engine.spy.P6SpyDriver
    type: com.alibaba.druid.pool.DruidDataSource
    url: jdbc:mysql://localhost:3306/course_db?serverTimezone=GMT%2B8
    # url: jdbc:p6spy:mysql://localhost:3306/course_db?serverTimezone=GMT%2B8
    username: root
    password: root

# 打开mybatis-plus的sql日志输出
mybatis-plus:
  configuration:
    log-impl: org.apache.ibatis.logging.stdout.StdOutImpl

entity

@Data
@NoArgsConstructor
@AllArgsConstructor
@TableName("course_1")
public class Course {
    @TableField("cid")
    private Long cId;
    private String cName;
    private Integer userId;
    private String cStatus;
}

Mapper

public interface CourseMapper extends BaseMapper {
}

启动类

@SpringBootApplication
@MapperScan(basePackages = "cn.zysheep.mapper")
public class ShardingjdbcdemoApplication {
    public static void main(String[] args) {
        SpringApplication.run(ShardingjdbcdemoApplication.class, args);
    }
}

测试类

@SpringBootTest
@Slf4j
class ShardingjdbcdemoApplicationTests {
    @Autowired
    private CourseMapper courseMapper;
    @SneakyThrows
    @Test
    void findCourse() {
        courseMapper.selectList(null).forEach(System.out::println);
    }
}

mybatis-plus也可以打印输出的sql日志，但是不是我们想要的效果，如何来控制想要的sql日志输出，可以使用P6Spy开源产品。

P6Spy入门使用

spy.properties

resources目录添加配置文件，类似log4j.xml，记录配置信息

module.log=com.p6spy.engine.logging.P6LogFactory,com.p6spy.engine.outage.P6OutageFactory
# sql日志打印输出
# 1、logMessageFormat=com.p6spy.engine.spy.appender.SingleLineFormat
# 2、logMessageFormat=com.p6spy.engine.spy.appender.CustomLineFormat
# customLogMessageFormat=%(currentTime) | SQL use time: %(executionTime) ms | connect info: %(category)-%(connectionId) | execute sql: %(sql)
# 3、自定义日志打印(全限定类名)
logMessageFormat=cn.zysheep.config.P6SPYConfig
# 使用日志系统记录sql
appender=com.p6spy.engine.spy.appender.Slf4JLogger
## 配置记录Log例外
excludecategories=info,debug,result,batc,resultset
# 设置使用p6spy driver来做代理
deregisterdrivers=true
# 日期格式
dateformat=yyyy-MM-dd HH:mm:ss
# 实际驱动
driverlist=com.mysql.cj.jdbc.Driver
# 是否开启慢SQL记录
outagedetection=true
# 慢SQL记录标准 秒
outagedetectioninterval=2

P6Spy有内置的SQL输出格式，如上配置文件。这里我们使用自定义SQL日志打印

P6SPYConfig

public class P6SPYConfig  implements MessageFormattingStrategy {
    @Override
    public String formatMessage(int connectionId, String now, long elapsed, String category, String prepared, String sql, String url) {
        Map message = new LinkedHashMap<>(8);
        String newPrepared = prepared.replace("   ", "").replace("\n", " ");
        message.put("prepared", newPrepared);
        String newSql = sql.replace("   ", "").replace("\n", " ");
        message.put("sql", newSql);
        return JSONObject.toJSONString(message, true);
    }
}

application.yml

spring:
  datasource:
    # driver-class-name: com.mysql.cj.jdbc.Driver
    driver-class-name: com.p6spy.engine.spy.P6SpyDriver
    type: com.alibaba.druid.pool.DruidDataSource
    #  url: jdbc:mysql://localhost:3306/course_db?serverTimezone=GMT%2B8
    url: jdbc:p6spy:mysql://localhost:3306/course_db?serverTimezone=GMT%2B8
    username: root
    password: root

# 打开mybatis-plus的sql日志输出
mybatis-plus:
  configuration:
    log-impl: org.apache.ibatis.logging.stdout.StdOutImpl

测试类不变

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